Steel Section Catalog
RHS 25x38x1.5
EN — Rectangular Hollow Section
Rectangular Hollow Sections (RHS) are tubular profiles with excellent torsional resistance and aesthetic appeal. Used for columns, trusses, and exposed structural elements.
The RHS 25x38x1.5 steel profile weighs 1.4 kg/m (0.95 lb/ft), has a depth of 25 mm (0.98 in), flange width 38 mm (1.50 in). Cross-sectional area: 180 mm². Moment of inertia Ix = 1.84 cm⁴, Iy = 3.57 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 1.5 mm ≈ 16 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 25 mm | 0.98 in |
| Width (b) | 38 mm | 1.50 in |
| Thickness (t) | 1.5 mm | 0.06 in |
| Fillet radius (r) | 2.3 mm | 0.09 in |
| Weight | 1.4 kg/m | 0.95 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 180 mm² | 0.279 in² |
| Moment of inertia (Ix) | 1.84 cm⁴ | 0.04 in⁴ |
| Moment of inertia (Iy) | 3.57 cm⁴ | 0.09 in⁴ |
| Elastic section modulus (Sx) | 1.47 cm³ | 0.090 in³ |
| Elastic section modulus (Sy) | 1.88 cm³ | 0.115 in³ |
| Plastic section modulus (Zx) | 1.7 cm³ | 0.104 in³ |
| Plastic section modulus (Zy) | 2.29 cm³ | 0.140 in³ |
| Radius of gyration (rx) | 1.01 cm | 0.398 in |
| Radius of gyration (ry) | 1.41 cm | 0.555 in |
Beam Calculator— RHS 25x38x1.5
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mfixed @ 0mfixed @ 6m→kN/m
Results — RHS 25x38x1.5
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
4585.60 mm
L/1
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
